21006098139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17374771}}^1$

素因数の和:17374818

約数の個数: 16

約数和(自身を含む): 31135591424

約数和(自身を除く): 10129493285

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17374771, 52124313, 225872023, 538617901, 677616069, 1615853703, 7002032713, 21006098139]

約数ペア:

[(1, 21006098139), (3, 7002032713), (13, 1615853703), (31, 677616069), (39, 538617901), (93, 225872023), (403, 52124313), (1209, 17374771)]